2 1 a 10 July 8, 2019 16 32 64 128 1 2 a 10 6 2 1 10 a decimal 2 1 4 a 10 2 1 100 2 1 1000 2 1 10 3 2 1 * 10 5 2 1 10 8 2 1 10 7 2 1 10x 2 1 10 as percent 2 1 10 9 2 1 10 11 2 1 10 x 3 2 1 10 x 4 7